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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 4353489 A1 20240417 - COLORING COMPOSITION

Title (en)

COLORING COMPOSITION

Title (de)

FÄRBUNGSZUSAMMENSETZUNG

Title (fr)

COMPOSITION COLORANTE

Publication

EP 4353489 A1 20240417 (EN)

Application

EP 22306540 A 20221012

Priority

EP 22306540 A 20221012

Abstract (en)

In a first aspect, the present disclosure relates to a writing instrument comprising a lead, wherein the lead comprises at least about 0.01 wt.-% Zr02 and at least about 0.01 wt.-% ZnO, relative to the total weight of the lead.

IPC 8 full level

B43K 19/02 (2006.01); C09D 13/00 (2006.01)

CPC (source: EP)

B43K 19/02 (2013.01); B43K 19/18 (2013.01); C09D 13/00 (2013.01)

Citation (search report)

[XYI] CN 108129914 B 20210316
[X] CN 111471355 A 20200731 - HARBIN LONGZHIDAO TECH CO LTD
[YA] EP 2845747 A1 20150311 - PILOT CORP [JP]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4353489 A1 20240417; WO 2024078932 A1 20240418

DOCDB simple family (application)

EP 22306540 A 20221012; EP 2023077431 W 20231004